The BBC has learnt that Iran already appears to be sending troops and weapons to fight the Sunni extremists in Iraq
One artist's bid to explain bipolar disorder
A mother and daughter talk about living with dyspraxia
‘Spider-dog’ prankster says he wants Poles to smile
Adrian Peterson, who plays for NFL side Minnesota Vikings, has been indicted in Texas for allegedly hitting his young son with a tree branch.
Scandal-plagued Toronto Mayor Rob Ford withdraws from October's mayoral election after being diagnosed with an abdominal tumour.
Conservationists are carrying out urgent research in a bid to identify the causes of a steep decline in the number of kestrels in Scotland.
A kilometre-long "river of fire", created by 2,014 torchbearers and fireworks is set to end Forth Road Bridge 50th Anniversary celebrations.
A fabled Arctic ship was found this week. A painting of its mysterious demise has haunted students for decades.
A Californian man officially has the longest tongue in the world. But how much longer is it than the average tongue, asks Clare Spencer.
Ernest Hemingway's grandsons are making a trip to Cuba to visit the house he lived in and see his Nobel prize.
Boris Johnson is selected as the Conservative candidate for Uxbridge and South Ruislip in the 2015 general election.
A building linked to TB Joshua, one of Nigeria's best known preachers and televangelists, collapses in Lagos, killing at least three people.
Internet retailer Alibaba may have floated on the US stock market, but the China-based company is making waves in Silicon Valley as well as in Wall Street.
Ten people suspected of planning and carrying out the attack on the Pakistani schoolgirl Malala Yousafzai have been arrested.
Can UK learn anything from Scotland referendum debate?
How hard is it to stop being a lap dancer?
The making and unmaking of Oscar Pistorius
Reflections on the life and career of former DUP leader and Northern Ireland first minister Ian Paisley.
It has been another day of intense campaigning in Scotland, ahead of next Thursday's referendum on independence.